﻿
using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using OF.Session;
namespace OF.DAL
{
	/// <summary>
	/// 数据访问类:Buyer
	/// </summary>
    public partial class Buyer : Session.DALBase
	{
		public Buyer()
		{}
		#region  BasicMethod

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DbHelperSQL.GetMaxID("id", "Buyer"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int id)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from Buyer");
			strSql.Append(" where id=@id");
			SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)
			};
			parameters[0].Value = id;

			return DbHelperSQL.Exists(strSql.ToString(),parameters);
		}


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int Add(OF.Model.Buyer model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into Buyer(");
			strSql.Append("loginname,pwd,phone,jifen,regsource,state,credit,name)");
			strSql.Append(" values (");
			strSql.Append("@loginname,@pwd,@phone,@jifen,@regsource,@state,@credit,@name)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@loginname", SqlDbType.NVarChar,20),
					new SqlParameter("@pwd", SqlDbType.NVarChar,20),
					new SqlParameter("@phone", SqlDbType.NVarChar,15),
					new SqlParameter("@jifen", SqlDbType.Int,4),
					new SqlParameter("@regsource", SqlDbType.Int,4),
					new SqlParameter("@state", SqlDbType.TinyInt,1),
					new SqlParameter("@credit", SqlDbType.Int,4),
					new SqlParameter("@name", SqlDbType.NVarChar,10)};
			parameters[0].Value = model.loginname;
			parameters[1].Value = model.pwd;
			parameters[2].Value = model.phone;
			parameters[3].Value = model.jifen;
			parameters[4].Value = model.regsource;
			parameters[5].Value = model.state;
			parameters[6].Value = model.credit;
			parameters[7].Value = model.name;

			object obj = DbHelperSQL.GetSingle(strSql.ToString(),parameters);
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(OF.Model.Buyer model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("update Buyer set ");
			strSql.Append("loginname=@loginname,");
			strSql.Append("pwd=@pwd,");
			strSql.Append("phone=@phone,");
			strSql.Append("jifen=@jifen,");
			strSql.Append("regsource=@regsource,");
			strSql.Append("state=@state,");
			strSql.Append("credit=@credit,");
			strSql.Append("name=@name");
			strSql.Append(" where id=@id");
			SqlParameter[] parameters = {
					new SqlParameter("@loginname", SqlDbType.NVarChar,20),
					new SqlParameter("@pwd", SqlDbType.NVarChar,20),
					new SqlParameter("@phone", SqlDbType.NVarChar,15),
					new SqlParameter("@jifen", SqlDbType.Int,4),
					new SqlParameter("@regsource", SqlDbType.Int,4),
					new SqlParameter("@state", SqlDbType.TinyInt,1),
					new SqlParameter("@credit", SqlDbType.Int,4),
					new SqlParameter("@name", SqlDbType.NVarChar,10),
					new SqlParameter("@id", SqlDbType.Int,4)};
			parameters[0].Value = model.loginname;
			parameters[1].Value = model.pwd;
			parameters[2].Value = model.phone;
			parameters[3].Value = model.jifen;
			parameters[4].Value = model.regsource;
			parameters[5].Value = model.state;
			parameters[6].Value = model.credit;
			parameters[7].Value = model.name;
			parameters[8].Value = model.id;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}

		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool Delete(int id)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from Buyer ");
			strSql.Append(" where id=@id");
			SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)
			};
			parameters[0].Value = id;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}
		/// <summary>
		/// 批量删除数据
		/// </summary>
		public bool DeleteList(string idlist )
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from Buyer ");
			strSql.Append(" where id in ("+idlist + ")  ");
			int rows=DbHelperSQL.ExecuteSql(strSql.ToString());
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public OF.Model.Buyer GetModel(int id)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select  top 1 id,loginname,pwd,phone,jifen,regsource,state,credit,name from Buyer ");
			strSql.Append(" where id=@id");
			SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)
			};
			parameters[0].Value = id;

			OF.Model.Buyer model=new OF.Model.Buyer();
			DataSet ds=DbHelperSQL.Query(strSql.ToString(),parameters);
			if(ds.Tables[0].Rows.Count>0)
			{
				return DataRowToModel(ds.Tables[0].Rows[0]);
			}
			else
			{
				return null;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public OF.Model.Buyer DataRowToModel(DataRow row)
		{
			OF.Model.Buyer model=new OF.Model.Buyer();
			if (row != null)
			{
				if(row["id"]!=null && row["id"].ToString()!="")
				{
					model.id=int.Parse(row["id"].ToString());
				}
				if(row["loginname"]!=null)
				{
					model.loginname=row["loginname"].ToString();
				}
				if(row["pwd"]!=null)
				{
					model.pwd=row["pwd"].ToString();
				}
				if(row["phone"]!=null)
				{
					model.phone=row["phone"].ToString();
				}
				if(row["jifen"]!=null && row["jifen"].ToString()!="")
				{
					model.jifen=int.Parse(row["jifen"].ToString());
				}
				if(row["regsource"]!=null && row["regsource"].ToString()!="")
				{
					model.regsource=int.Parse(row["regsource"].ToString());
				}
				if(row["state"]!=null && row["state"].ToString()!="")
				{
					model.state=int.Parse(row["state"].ToString());
				}
				if(row["credit"]!=null && row["credit"].ToString()!="")
				{
					model.credit=int.Parse(row["credit"].ToString());
				}
				if(row["name"]!=null)
				{
					model.name=row["name"].ToString();
				}
			}
			return model;
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select id,loginname,pwd,phone,jifen,regsource,state,credit,name ");
			strSql.Append(" FROM Buyer ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获得前几行数据
		/// </summary>
		public DataSet GetList(int Top,string strWhere,string filedOrder)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select ");
			if(Top>0)
			{
				strSql.Append(" top "+Top.ToString());
			}
			strSql.Append(" id,loginname,pwd,phone,jifen,regsource,state,credit,name ");
			strSql.Append(" FROM Buyer ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			strSql.Append(" order by " + filedOrder);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获取记录总数
		/// </summary>
		public int GetRecordCount(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) FROM Buyer ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			object obj = DbHelperSQL.GetSingle(strSql.ToString());
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetListByPage(string strWhere, string orderby, int startIndex, int endIndex)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("SELECT * FROM ( ");
			strSql.Append(" SELECT ROW_NUMBER() OVER (");
			if (!string.IsNullOrEmpty(orderby.Trim()))
			{
				strSql.Append("order by T." + orderby );
			}
			else
			{
				strSql.Append("order by T.id desc");
			}
			strSql.Append(")AS Row, T.*  from Buyer T ");
			if (!string.IsNullOrEmpty(strWhere.Trim()))
			{
				strSql.Append(" WHERE " + strWhere);
			}
			strSql.Append(" ) TT");
			strSql.AppendFormat(" WHERE TT.Row between {0} and {1}", startIndex, endIndex);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/*
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetList(int PageSize,int PageIndex,string strWhere)
		{
			SqlParameter[] parameters = {
					new SqlParameter("@tblName", SqlDbType.VarChar, 255),
					new SqlParameter("@fldName", SqlDbType.VarChar, 255),
					new SqlParameter("@PageSize", SqlDbType.Int),
					new SqlParameter("@PageIndex", SqlDbType.Int),
					new SqlParameter("@IsReCount", SqlDbType.Bit),
					new SqlParameter("@OrderType", SqlDbType.Bit),
					new SqlParameter("@strWhere", SqlDbType.VarChar,1000),
					};
			parameters[0].Value = "Buyer";
			parameters[1].Value = "id";
			parameters[2].Value = PageSize;
			parameters[3].Value = PageIndex;
			parameters[4].Value = 0;
			parameters[5].Value = 0;
			parameters[6].Value = strWhere;	
			return session.RunProcedure("UP_GetRecordByPage",parameters,"ds");
		}*/

		#endregion  BasicMethod
		#region  ExtensionMethod
        public int Add(string loginname, string pwd, string phone)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into Buyer(loginname,pwd,phone,state) ");
            strSql.Append(" values('" + loginname + "','" + pwd + "','" + phone + "',1)");
            strSql.Append(";select @@IDENTITY");
            var obj= DbHelperSQL.GetSingle(strSql.ToString());
            if (obj == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(obj);
            }
        }
        /// <summary>
        /// 获得数据列表
        /// </summary>
        public DataSet GetNameAndAddress(string loginname,string pwd)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select a.id,b.address FROM Buyer a left join buyeraddress b ");
            strSql.Append("  on (a.id=b.buyerid and b.state=2) ");
            strSql.Append(" where  a.loginname='" + loginname + "' and a.pwd='" + pwd + "' and a.state!=2  ");
            return DbHelperSQL.Query(strSql.ToString());
        }
		#endregion  ExtensionMethod
	}
}

